Look at long term average of 1074/1079 over time to estimate the straylight.

[bberkeyU]

Per Gabriel's suggestions, take long-term averages (or minimum) to remove the coronal signals to remove the structure and see if we can assess the stray light.

[bberkeyU]

One option is to take a minimum of over a month (cycle) of short-term medians (to avoid bad pixels).